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Summary of Contents for DEI PCM-7140
- Page 1 PCM-7140 Pulsed Current Source Operation Manual Directed Energy, Inc. 1609 Oakridge Dr., Suite 100, Fort Collins, CO 80525 (970) 493-1901 sales@ixyscolorado.com www.ixyscolorado.com Manual Document 7650-0031 Rev. A...
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Page 3: Table Of Contents
Contents Contents ................................. i Safety ................................ 4 Introduction .............................. 5 Description ............................ 5 Front Panel Features ......................... 6 Accessories Included ......................... 7 Rear Panel Features .......................... 9 Mechanical Layout .......................... 10 Operation .............................. 11 Setup ............................... 11 Power Up ............................ 14 Power Down ............................ 15 Warranty and Service .......................... 16 Warranty ............................ 16 Factory Service and Support ...................... 17 ... -
Page 4: Safety
Safety Do not open the cover of the PCM-7140. There are no user-serviceable parts inside. Opening the cover exposes you to shock and voids the factory warranty. Do not install, handle, or remove the output cables or laser diode while the PCM- 7140 is operating. -
Page 5: Introduction
DC Input/Output Cable The laser diode or other load is connected to the PCM-7140 with a 100-cm length of 18 AWG twisted pair cable (included). The same cable connects the high voltage supply to the PCM-7140. -
Page 6: Front Panel Features
HV – Pins 5, 6, 7, 8 SHOCK HAZARD DO NOT TOUCH any part of this cable while the PCM-7140 is powered up. Please review the Safety section. Current Monitor Connector (J2) J2, an SMB connector, allows monitoring the output current waveform with an oscilloscope equipped with a 50 Ω... -
Page 7: Accessories Included
Pin 6: Trigger input Accessories Included DC Input/Output Cable Connects the high voltage supply and the external load device to J1 of the PCM-7140. Control Signal Cable Connects the 12 V support supply, trigger source, and analog current control (if used) to J3 of the PCM-7140. - Page 8 Control Board Allows the user to easily connect the 12 V support supply, trigger source, and analog current control (if used) to J3 of the PCM-7140 Load Board Simplifies the connection from the output cable to the laser diode or other load ...
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Page 9: Rear Panel Features
Rear Panel Features Liquid Cooling The PCM-7140 module is liquid cooled. The liquid should have a temperature of 11 °C to 22 °C and a flow rate of 6 liters per minute. The connection type is 3/8-inch inside diameter tubing. Typically, polyethylene plastic tubing works well, McMaster-Carr # 9336T2 with a hose clamp of McMaster-Carr # 5321K17. -
Page 10: Mechanical Layout
Mechanical Layout Mounting Module There are three (3) mounting nuts for the PCM-7140 module. The mounting screws are 6-32. The screw must have less than 0.5” inside the chassis. Drawing The below drawing is from the top looking down to the bottom of the module. -
Page 11: Operation
) by the amount shown in the table below. Use the factory supplied cable to make this connection (cable information appears earlier in this document). a. The PCM-7140 200 A model is capable of 100% duty cycle operation at 20 A or lower. i. Output Current ... - Page 12 (located on the front panel of the PCM-7140) for the required current output. i. Disconnect Current Setpoint Control (J3 pin 4, No Connect). ii. Disconnect Analog Current Setpoint (J3 pin 5, No Connect). Rotate the potentiometer clockwise to increase the output current.
- Page 13 c. External current setpoint control uses an external analog voltage to set the output current. i. Connect Current Setpoint Control (J3 pin 4) to ground at J3 pins 2 and 3. ii. Connect Analog Current Setpoint (J3 pin 5) to an external analog device capable of 0 V to 2.048 V.
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Page 14: Power Up
4. Power ON the high voltage at J1 within 10 seconds of powering on the 12 V DC. If the DC input voltage is not on within 10 seconds, the PCM-7140 will go into an error state and will require a power reset of the 12 V DC support voltage. -
Page 15: Power Down
Power Down SHOCK HAZARD Do NOT disconnect the output device or cable until the module is powered OFF and the capacitor bank has discharged. Follow the steps below to discharge the capacitor bank. 1. Turn OFF the high voltage supply connected to J1. 2. -
Page 16: Warranty And Service
DEI’s sole obligation, and buyer’s sole remedies, under this agreement shall be limited to a refund of the purchase price, or at DEI’s sole discretion, to the repair or replacement of products in kind that prove, to DEI’s satisfaction, to be defective, when returned to the DEI factory, transportation prepaid by the buyer, within the warranty period. -
Page 17: Factory Service And Support
Factory Service and Support For more information about your instrument or for an operation problem, please contact the factory: Directed Energy, Inc. 1609 Oakridge Dr., Suite 100 Fort Collins, Colorado 80525 (970) 493-1901, ext. 24 sales@ixyscolorado.com techsupport@ixyscolorado.com ... - Page 18 ...
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